Unverified85% confidenceCautionTime unknown
老墙翻新（原墙有霉斑、返碱、开裂）不要直接刷除味涂料掩盖异味，霉味源于墙体受潮，需先做防水抗碱底漆和除霉处理，否则霉菌继续繁殖异味复发
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85%
Confidence
Long-term
Relevance
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Unverified墙面已有霉斑/发黑不要直接刷防潮涂料覆盖，必须先杀菌（除霉剂处理）并根治渗漏源，否则霉菌会在涂层下继续滋生并顶起涂膜87% similarUnverified已长霉的墙面不能直接刷防霉涂料覆盖，霉菌会穿透新漆层继续生长；必须先用含次氯酸钠的除霉剂杀菌、彻底干燥后再涂86% similarUnverified已经发霉的墙面不能直接刷防霉漆覆盖，霉菌孢子会在漆膜下继续生长，必须先用除霉剂或稀释漂白水杀菌、彻底干燥后再施工85% similarUnverified已有霉斑的墙面不能直接刷防霉涂料覆盖：必须先用除霉剂/稀释含氯消毒液杀菌、彻底干燥并做防水底漆，否则霉菌会从底层穿透涂层复发85% similarUnverified涂料墙面（乳胶漆）霉斑不宜用强漂白型，会造成水渍印和掉粉，应选专用墙面防霉喷剂，且需先解决墙体渗水/冷凝根源，否则任何除霉剂都会反复失效85% similar
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